Description

5-Bromo-3-Ethyl-1-Benzothiophene is a high-purity, synthetically valuable heterocyclic building block. This compound is essential for advanced organic synthesis, particularly in the development of novel pharmaceuticals and functional materials. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Serves as a core scaffold for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science: Used in the synthesis of organic semiconductors, liquid crystals, and photoconductive materials for electronic applications.
• Chemical Synthesis: Acts as a versatile building block for Suzuki, Stille, and other cross-coupling reactions to create more complex benzothiophene derivatives.
• Academic & R&D: Employed in university and industrial research laboratories for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	5-Bromo-3-Ethyl-1-Benzothiophene
CAS No.	900508-78-3
Molecular Formula	C10H9BrS
Molecular Weight	241.15 g/mol
Synonyms	3-Ethyl-5-bromobenzothiophene; 5-Bromo-3-ethylbenzo[b]thiophene; 1-Benzothiophene, 5-bromo-3-ethyl-; Benzo[b]thiophene, 5-bromo-3-ethyl-
EINECS	Contact for details

Quality Control

Our 5-Bromo-3-Ethyl-1-Benzothiophene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP compliance for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.